brob268, When you get the " Gnucash could not obtain the lock file for..." message, it appears that you actually have the copy on your D: drive open rather than your backup. Have you checked the file dates of each copy and the most recent Gnucash backups (with the .2019xxxx.gnucash suffix in the name) in each location?
What version of GnuCash are you using, what version of Windows are you using, and how is your drive D: connected to your computer? When you tried editing a document on your D: drive per Colin's suggestion, did that work? How do you address your backup and how is it connected? How and when do you back up your D; drive? Have you been diligent about updating Windows OS and the OS on your D: server? -- David Carlson _______________________________________________ gnucash-user mailing list gnucash-user@gnucash.org To update your subscription preferences or to unsubscribe: https://lists.gnucash.org/mailman/listinfo/gnucash-user If you are using Nabble or Gmane, please see https://wiki.gnucash.org/wiki/Mailing_Lists for more information. ----- Please remember to CC this list on all your replies. You can do this by using Reply-To-List or Reply-All.